Vitamin+B12
21Vitamin B — ist eine Vitamin Gruppe, in der acht Vitamine zusammengefasst sind, die alle als Vorstufen für Koenzyme dienen. Die Nummerierung ist nicht durchgehend, weil sich bei vielen Substanzen, die ursprünglich als Vitamine galten, der Vitamin Charakter… …
22Vitamin A — is retinol. Carotene compounds (found, for example, in egg yolk, butter and cream) are gradually converted by the body to vitamin A (retinol). A form of vitamin A called retinal is responsible for transmitting light sensation in the retina of the …
23Vitamin B1 — is thiamine. Vitamin B1 acts as a coenzyme in the metabolism of the body. Deficiency of thiamine leads to beriberi, a disease of the heart and nervous system. The word vitamin was coined in 1911 by the Warsaw born biochemist Casimir Funk (1884… …
24Vitamin B1 — thiamine — Vitamin B1 is thiamine. It acts as a coenzyme in the metabolism of the body. Deficiency of thiamine leads to beriberi, a disease of the heart and nervous system. The word vitamin was coined in 1911 by the Warsaw born biochemist Casimir Funk (1884 …
25vitamin B — n 1) VITAMIN B COMPLEX 2) any of numerous members of the vitamin B complex esp THIAMINE * * * any one of a group of water soluble vitamins that, although not chemically related, are often found together in the same kinds of food (milk, liver,… …
26vitamin B (complex) — n. a group of unrelated water soluble vitamins found in liver, yeast, etc., including: a) vitamin B1 (see THIAMINE) b) vitamin B2 (see RIBOFLAVIN) c) …
27vitamin B (complex) — n. a group of unrelated water soluble vitamins found in liver, yeast, etc., including: a) vitamin B1 (see THIAMINE) b) vitamin B2 (see RIBOFLAVIN) c) vitamin B6 (see PYRIDOXINE) d) NICOTINIC ACID e) PANTOTHENIC ACID f) BIOTIN g) INOSITOL h) PARA… …
28vitamin B (complex) — n. a group of unrelated water soluble vitamins found in liver, yeast, etc., including: a) vitamin B1 (see THIAMINE) b) vitamin B2 (see RIBOFLAVIN) c) vitamin B6 (see PYRIDOXINE) d) NICOTINIC ACID e) PANTOTHENIC ACID f) BIOTIN g) INOSITOL h) PARA… …
29vitamin B — ► NOUN ▪ any of a group of substances essential for the working of certain enzymes in the body, including thiamine (vitamin B1), riboflavin (vitamin B2), pyridoxine (vitamin B6), and cyanocobalamin (vitamin B12) …
30vitamin B{<sub>}12{</sub>} — vitamin B12 n. A complex compound containing cobalt, found especially in liver and widely used to treat pernicious anemia. Also called cobalamin, cyanocobalamin, extrinsic factor. * * * …
